APA (7th ed.) Citation

Matthews, A. (1997). Being happy!: Kiat hidup tenteram dan bahagia. Gramedia Pustaka Utama.

Chicago Style (17th ed.) Citation

Matthews, Andrew. Being Happy!: Kiat Hidup Tenteram Dan Bahagia. Jakarta: Gramedia Pustaka Utama, 1997.

MLA (8th ed.) Citation

Matthews, Andrew. Being Happy!: Kiat Hidup Tenteram Dan Bahagia. Gramedia Pustaka Utama, 1997.

Warning: These citations may not always be 100% accurate.